Home / 7,213.47-9,955.09-4,027.40

Finding the Fourth Proportional to 7,213.47, 9,955.09 and 4,027.40

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Solution

The fourth proportional to 7,213.47, 9,955.09 and 4,027.40 is: 5,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.47 : 9,955.09 = 4,027.40 : x
  2. Step 2: Convert to fraction form
    7,213.47/9,955.09 = 4,027.40/x
  3. Step 3: Cross multiply
    7,213.47x = 9,955.09 × 4,027.40
  4. Step 4: Simplify right side
    7,213.47x = 40,093,089.76
  5. Step 5: Solve for x
    x = 40,093,089.76/7,213.47
  6. Step 6: Final answer
    x = 5,558.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.